DC1816B - Schematic

5
4
3
2
1
REVISION HISTORY
DESCRIPTION
APPROVED
ECO REV
1
-
PRODUCTION
DATE
GEORGE Q.
Apr 08, 2013
HS2
D
L3
150uH
F1
3.15A
J1
L
N
1
2
L1
10mH
4
L2
10mH
3
V1
385VAC
1
2
C1
0.47uF
310V
4
D
D1
D3
3
1N4005
1
1N4005
C20
D4
2.2nF
D2
2
90 - 305VAC
1N4005
1N4005
C2
0.47uF
450V
R5
20
D8
SBR10U300CT
T1
750811351
R3
100k
C21
4.7pF
LED-
6
13
7
R7
2k
D5
BAV20W
R10
499k
1206
C
4
+
C13
2.2nF
630V
3
10
VINSENSE
FB
NC
GATE
VREF
9
Q1
14
SENSE
COMPCOMP+
R25
SPP17N80C3
D10
OPT
C14
OPT
1206
C8
4.7uF
16V
R8
15m
1%
1206
HS1
8
7
C6
10nF
GND
U1
LT3799EMSE-1
17
CT
FAULT
CUSTOMER NOTICE
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
APPROVALS
PCB DES.
ENG.
G. QIAN
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
OFFLINE ISOLATED FLYBACK LED
CONTROLLER WITH PFC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
3
TECHNOLOGY
MI/RB
C:\PADS PROJECTS\1816B\SCH\1816B_00_REV1.DSN
4
B
CTRL1
6
5
13
CTRL2
C7
0.1uF
5
C
INTVCC
R22
OPT
0603
1
A
LED-
R13
OPT
1206
15
CTRL3
R21
0
2
FAULT
CMR1U-02M
CMR1U-10M
INTVCC
FAULT
-
J2
SMCJ220CA
17.8
R20
16.9k
+
2
D7
DCM
BAV20W
4
B
3A/36V
1
Z4
R6
200k
2512
22uF
35V
D6
12
R19
40.2k
R9
10k
1%
1206
10
16
R18
100k
+
2
VIN
R12
3.09k
+
D9
9
11
R2
249k
1206
Z3
SMCJ40A
8
R1
249k
1206
C9
C10
C11
1000uF 1000uF 10uF
63V
63V
100V
Z2
SMBJ130A
12
R4
4.32k
C3
R11
499k
1206
LED+
14
DATE:
2
IC NO.
REV
LT3799EMSE-1
DEMO CIRCUIT 1816B
Apr 08, 2013
1
SHEET
1
1 OF 1
A
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